CNNJapan lowers its age of adulthood to 18CNNA combination of falling birth rates and improving life expectancy across Japan have resulted in a progressively shrinking, and aging population. By 2060, the country's population is expected to plummet to 86.74 million from its current total of 126.26 ...Credit cards, but no sake: Japan lowers age of adulthood from 20 to 18The Guardianall 6 news articles »